Can opener



FIG. 1 is a front elevational view of a can opener showing our new design;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view of a second embodiment of that shown in FIG. 1;

FIG. 8 is a left side elevational view of FIG. 7;

FIG. 9 is a top plan view of FIG. 7;

FIG. 10 is a rear elevational view of FIG. 7; and

FIG. 11 is a bottom plan view of FIG. 7. 

The ornamental design for a can opener, as shown and described. 